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The document discusses an experiment to determine the best way to wash hands to remove the most bacteria. The experiment tests different combinations of water temperature (37°C vs 43°C) and washing time (10 seconds vs 30 seconds). Volunteers washed their hands using each combination and a control method. Their hands were then swabbed and bacteria colonies were counted after 24 hours. On average, the (+,+) condition of 43°C water for 30 seconds resulted in the fewest bacteria colonies, supporting the hypothe

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api-285947070

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EN